直方图灰度处理,最基本的程序，比较简单，是matlab图像处理中的入门级的程序。有助于基本的运用理解。-Gray histogram processing, the most basic procedure is relatively simple, matlab image processing is the entry-level program. The use contribute to basic understanding.

使用matlab实现的线性及非线性灰度变换实验，其中有原理说明-Matlab implementation of linear and nonlinear gray-scale transformation experiments, including the principle of descr iption